1 See, however, Unofficial mottos of Poland.
² Although not official languages, Kashubian, Lithuanian and German are used in sixteen communal offices.
³ The total area of Poland according to the administrative division, as given by the Central Statistical Office,[2] amounts to 312,679 km²: land area (311 888 km²) and part of internal waters (791 km²) cut by the coast line. The area of Poland's territory, including all internal waters and the territorial sea, is 322 575 km².4 The adoption of Christianity in Poland is seen by many Poles, regardless of their religious affiliation, as one of the most significant national historical events; the new religion was used to unify the tribes in the region.5 Also .eu, as Poland is a member of the European Union.